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NSN 959B

Safety Relief Valve

A clip formed from resilient wire stock into a shape resembling the letter u, with each of the prongs having one or more curvatures along its length. It is designed to hold itself in place by its inherent spring action when fitted into the groove(s) or notch(es) of the item upon which a part, shaft, pin, or a like item is to be held in place. See also pin, lock; ring, retaining and clip, spring tension. For items specifically designed for aviaton, see clip(1), retaining, aviation.

spring disk loading method, unable to decode connection type, inside spring bonnet type, threaded bonnet attachment method, unable to decode connection style.

NSN 4820-00-683-8922 Datasheet

(NSN) National Stock Number
4820-00-683-8922
(FSG) Federal Supply Group
48 - Valves
(FSC) Federal Supply Classification
4820 - Nonpowered Valves
(NIIN) National Item Identification Number
00-683-8922
Requires Demilitarization
Yes
(INC) Item Name Code
05488
Date
Tue, Jan 1, 1963
Schedule B Code
8481400000
Bonnet Type
inside spring
Bonnet Attachment Method
threaded
Connection Style
unable to decode
Connection Type
unable to decode
Disk Loading Method
spring
Features Provided
valve stem lock shield
Flow Control Device
disk
Material
Material
unable to decode
Maximum Operating Pressure
unable to decode
Media For Which Designed
unable to decode
Nominal Pipe Size Accommodated
unable to decode
Nominal Thread Size
unable to decode
Opening Pressure Setting
475.0 pounds per square inch
Style Designator
angle
Thread Direction
unable to decode
Thread Series Designator
unable to decode
Valve Operation Method
automatic or manual

Identification

Demilitarization Code
A - Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.
Precious Metals Indicator
A - Item does not contain precious metal.
Hazardous Metals Indicator
N - Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.
Source of Supply Code
FPZ - San antonio air logistics center kelly afb, texas 78241-5000
Pseudo Item Name Code
0005488

Cross Reference

CAGE Codes

58553
Superior Valve Co
U.s./canadian manufacturers
72971
Efcor Inc
U.s./canadian manufacturers

Freight Information

Air Commodity
VZ -
Air Dimension
A - Shipment is not a consolidation and does not exceed 84 inches in any dimension.
Less than Carload Rating
P - 77.5
National Motor Freight Class Rating
P - 77.5
Special Handling
9 - Other or no special handling required (sh)
Type of Cargo
Z - No special type of cargo code applicable
Uniform Freight Classification Item Number
64490
Water Commodity
594 - Pumps and parts, (machinery and parts),(less than 35 feet)
National Motor Freight Classification Item Number
127220

Schedule B & Trade

Schedule B
8481-40-0000
Description
safety or relief valves
End Use
21180 - Industrial machines, other
Unit of Quantity
NO
USDA
Yes
(SITC) Standard International Trade Classification
74740
(NAICS) North American Industrial Classification System
332911

Questions & Answers

  1. What is the FSCG of the NSN 4820-00-683-8922?

    The FSCG of the NSN 4820-00-683-8922 is 4820

  2. Does the NSN 4820-00-683-8922 have a Schedule B code assigned?

    Yes, the Schedule B code is 8481400000

  3. Does NSN 4820-00-683-8922 require demilitarization?

    Items subject to the export administration regulations (ear) in parts 730-774 of title 15, code of federal regulations (cfr) (ccli or ear99) and determined by dod to present a low risk when released out of dod control. No demil, mut, or end use certificate is required. May require an export licensefrom doc.

  4. Does NSN 4820-00-683-8922 contain precious materials?

    Item does not contain precious metal.

  5. Does NSN 4820-00-683-8922 contain hazardous materials?

    Indicates there is no data in the hmirs and the nsn is in a fsc not generally suspected of containing hazardous materials.

  6. When the NSN 4820-00-683-8922 was assigned to the Federal Catalog?

    It was assigned 63 years ago, on Tue, Jan 1, 1963

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